AirHint found the following cheapest return flights from Rome (FCO) to Sydney (SYD) in December 2025 (see full year).

Return flights

11 Dec - 23 Jan	Sichuan Airlines
01 Dec - 08 Dec	Air China
10 Dec - 16 Jan	Air China
02 Dec - 09 Dec	Air China
12 Dec - 20 Jan	Air China
09 Dec - 16 Dec	Air China
11 Dec - 13 Jan	Sichuan Airlines
03 Dec - 10 Dec	Air China
04 Dec - 11 Dec	Air China
05 Dec - 12 Dec	Air China
06 Dec - 13 Dec	Air China
07 Dec - 14 Dec	Air China
08 Dec - 15 Dec	Air China
10 Dec - 14 Jan	Air China
01 Dec - 07 Dec	Air China
21 Dec - 16 Jan	Wizz Air
09 Dec - 10 Jan	Sichuan Airlines
13 Dec - 15 Jan	Air China
16 Dec - 16 Jan	Sichuan Airlines
15 Dec - 29 Jan	Royal Jordanian

Also check the deals for one-way flights from Rome to Sydney in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Rome to Sydney in December from $721

Return flights